Firewall Builder: Convert Linux Iptables Configuration to OpenBSD and PF - nixCraft
Building an OpenBSD/pf Firewall
OpenBSD Router Guide
Redundant firewalls with OpenBSD, CARP and pfsync - Network layout
Edge OpenBSD PF Firewall - securing the first gate of your network — Cryptsus Blog
Building an OpenBSD/pf Firewall
OpenBSD firewall applicance - Intro - Andreas Baumann's Personal Home Page
OpenBSD 6.9 on Protecli 6 Port Firewall
Router and Firewall Redundancy with OpenBSD and CARP | Semantic Scholar
Redundant OpenBSD Firewalls
Amazon.com: Qotom Linux Router Q330G4 Intel Core I3-4005U,1.7Ghz (2Gb Ddr3 Ram 16Gb Ssd) AES-NI,4*Gigabit LAN,Used As A Router/Firewall/Proxy/WiFi Access Point : Electronics
GitHub - unixsheikh/openbsd-router-guide: A guide for setting up an OpenBSD router with a network segmenting firewall, DHCP, DNS with Unbound, domain blocking and much more https://openbsdrouterguide.net/